57
Figure 35
Quad SLC Loop Adder Module Terminal Connections - Class A
Notes:
• All power limited circuits must use type FPL, FPLR, or FPLP power limited cable.
• Loop wiring: maximum loop resistance is 40 ohms total. These lines are power-limited
and fully supervised.
F
ADDRESSABLE
THERMAL SENSOR
ADDRESSABLE
SMOKE DETECTORS
F
LEGEND
Addressable Smoke Sensor
Addressable Thermal Sensor
Addressable Manual Pull Station
F
Addressable Monitor Module
TWISTED PAIR WIRE
S
S
H
Addressable Relay Output Module
S
H
M
M
RO
M
RO
Conventional 4-Wire Smoke
Detectors, Heat Sensors
and Manual Pull Stations
TWISTED SHIELDED PAIR WIRE IS NOT
RECOMMENDED. IF USED THE
SHIELD SHOULD BE TERMINATED AT
THE TERMINALS MARKED SHIELD
ANALOG
LOOP 2
B
A
ANALOG
LOOP 1
+
-
+
-
S
S
B
A
+
-
+
-
ANALOG
LOOP 4
B
A
ANALOG
LOOP 3
+
-
+
-
S
S
B
A
+
-
+
-
The ALCN-960D is mounted over the ALCN-960MISO
Quad Loop Adder board to provide four SLC loops total.
The ALCN-792D board is mounted over the ALCN-4792MISO
Quad Loop Adder board to provide four SLC loops total.
Wire loops 3 and 4 in the same manner as loops 1 and 2.
ALCN-960MISO or ALCN-4792MISO
QUAD LOOP ADDER MODULE
ALCN-960D or 792D DAUGHTER BOARD
i
(Wire Class B only)
